There are many more factions but these are the most "popular" in my opinion..
You can also choose:
-Followers of the Apocalypse
-Fiend
-Boomer
-Brotherhood Outcast
-Tribal
-Republic of Dave
-Member of Oasis
-White Leg
...and many others that I missed!
Make sure to post why you would classify as a part of this faction and why you like/dislike it!
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14 percent of people who replied are injuns, the other 14 percent don't know the true glory of the Brotherhood of Old Sports